摘要:
![](https://img2018.cnblogs.com/blog/1648422/201910/1648422-20191007215111242-1362623807.jpg)
![](https://img2018.cnblogs.com/blog/1648422/201910/1648422-20191007215116523-169884059.jpg)
![](https://i... 阅读全文
摘要:
• 正序和不小于乱序和,乱序和不小于逆序和 • 证明可以用调整法 sigma a[i]*b[i](a[i]>a[i-1],b[i]>b[i-1]) >= sigma a[i]*b[i](a[i]<a[i-1],b[i]>b[i-1]) 阅读全文